74445188966 has 8 divisors (see below), whose sum is σ = 112655994264. Its totient is φ = 36893190880.

The previous prime is 74445188963. The next prime is 74445188969. The reversal of 74445188966 is 66988154447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74445188963) and next prime (74445188969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 74445188899 and 74445188908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74445188963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164701520 + ... + 164701971.

It is an arithmetic number, because the mean of its divisors is an integer number (14081999283).

Almost surely, 2^74445188966 is an apocalyptic number.

74445188966 is a deficient number, since it is larger than the sum of its proper divisors (38210805298).

74445188966 is a wasteful number, since it uses less digits than its factorization.

74445188966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329403606.

The product of its digits is 46448640, while the sum is 62.

The spelling of 74445188966 in words is "seventy-four billion, four hundred forty-five million, one hundred eighty-eight thousand, nine hundred sixty-six".